Prevent SQL Injection

Anonymous User 1265 09 Jul 2018

What is Prevent SQL Injection in Python ?

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Updated 09 Jul 2018

1 Answers

Prakash nidhi Verma 09 Jul 2018

Prevent SQL Injection :

prevent SQL injections, which is a common web hacking technique to destroy your database import mysql.connector .

mydb = mysql.connector.connect(

  host="localhost",

  user="yourusername",

  passwd="yourpassword",

  database="mydatabase"

)

mycursor = mydb.cursor()

sql = "UPDATE customers SET address = %s WHERE address = %s"

val = ("Valley 345", "Canyon 123")

mycursor.execute(sql, val)

mydb.commit()

print(mycursor.rowcount, "record(s) affected")

Python MySQL Join :

users:

{ id: 1, name: 'rohan', fav: 154}, 
{ id: 2, name: 'prakash', fav: 154},

{ id: 3, name: 'Arti', fav: 155},

{ id: 4, name: 'Aditya', fav:},

{ id: 5, name: 'Vishal', fav:}

Products :

{ id: 154, name: 'Chocolate Heaven' }, 
{ id: 155, name: 'Tasty Lemons' },

{ id: 156, name: 'Vanilla Dreams' }

mycursor = mydb.cursor() 

sql = "SELECT \ 
  users.name AS user, \

  products.name AS favorite \

  FROM users \

  INNER JOIN products ON users.fav = products.id"


mycursor.execute(sql)

myresult = mycursor.fetchall()

for x in myresult:

  print(x)

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